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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>PetscPushErrorHandler</TITLE>
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<BODY BGCOLOR="FFFFFF">
<A NAME="PetscPushErrorHandler"><H1>PetscPushErrorHandler</H1></A>
Sets a routine to be called on detection of errors.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petsc.h"
int PetscPushErrorHandler(int (*handler)(int,char *,char*,char*,int,int,char*,void*),void *ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>handler </B></TD><TD>- error handler routine
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- optional handler context that contains information needed by the handler (for
example file pointers for error messages etc.)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Calling sequence of handler</FONT></H3>
<pre>
int handler(int line,char *func,char *file,char *dir,int n,int p,char *mess,void *ctx);
</pre>
<P>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- the function where the error occured (indicated by __FUNCT__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>line </B></TD><TD>- the line number of the error (indicated by __LINE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>file </B></TD><TD>- the file in which the error was detected (indicated by __FILE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dir </B></TD><TD>- the directory of the file (indicated by __SDIR__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- the generic error number (see list defined in include/petscerror.h)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>p </B></TD><TD>- the specific error number
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mess </B></TD><TD>- an error text string, usually just printed to the screen
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- the error handler context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-on_error_attach_debugger <noxterm,gdb or dbx></B></TD><TD>- - -on_error_abort
</TD></TR>
<P>
<P>
<H3><FONT COLOR="#CC3333">Fortran Note</FONT></H3>
This routine is not supported in Fortran.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscPopErrorHandler.html#PetscPopErrorHandler">PetscPopErrorHandler</A>(), <A HREF="../Sys/PetscAttachDebuggerErrorHandler.html#PetscAttachDebuggerErrorHandler">PetscAttachDebuggerErrorHandler</A>(), <A HREF="../Sys/PetscAbortErrorHandler.html#PetscAbortErrorHandler">PetscAbortErrorHandler</A>(), <A HREF="../Sys/PetscTraceBackErrorHandler.html#PetscTraceBackErrorHandler">PetscTraceBackErrorHandler</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/src/error/err.c.html#PetscPushErrorHandler">src/sys/src/error/err.c</A>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sles/examples/tutorials/ex10.c.html">src/sles/examples/tutorials/ex10.c.html</A><BR>
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